Add Fred redesign to About page ("Our journey" tab)

[caugner]

What information was incorrect, unhelpful, or incomplete?

https://developer.mozilla.org/en-US/about#our_journey

What did you expect to see?

Expected to see the new Fred design in the timeline.

Do you have any supporting links, references, or citations?

No response

Do you have anything more you want to share?

No response